Critical path analyzer with path context window

Details Critical path analyzer with path context window Critical path analyzer with path context window

1988-06-10

1990-11-13

Harkcom, Gary V.

Boots, shoes, and leggings

364488, 364518, G06F 1520

Patent

active

049706640

ABSTRACT:
A screen display includes a path context window for displaying a signal path in its entirety apart from the schematic sheets on which the path portions appear. The window contains multiple display portions each graphically displaying a path portion appearing on a separate schematic sheet. The multiple display portions are arranged adjacent to each other to display the entire signal path as continuous. The screen display also includes a path list window and may include view sheet windows each showing a schematic sheet of a path portion in the path context window. A user selects a path from the path list window, which causes a path context window containing the selected path to appear. Selecting a path portion from the displayed signal path causes a view sheet window containing the corresponding schematic sheet to appear. The means for producing the various windows and other features of the screen display is also disclosed.

REFERENCES:
patent: 4615011 (1986-09-01), Linsker
patent: 4722064 (1988-01-01), Suzuki
patent: 4821220 (1989-04-01), Duisberg
Product Description from SDA Systems, "TA Timing Analyzer", (4 pages).
Advertisement from SDA Systems, "Timing Analyzer Fast, Programmable Critical Path Analysis", (2 pages).
"AIDA Timing Verifier Technical Spec", (4 pages).
Chiang et al., "Timing Verification for System--Level Designs", SLSI Systems Design, pp. 46-53 (Dec. 1987).
Hara et al., "Timing Analysis Improves Efficiency of ASIC Design", EDN, pp. 195-201 (May 26, 1988).

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